🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 14.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 12.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,079,891 km

• M1: 185,352 km (0.101 R)
• M2: 663,317 km (0.074 R)
• M3: 1,260,063 km (0.115 R)
• M4: 2,647,134 km (0.111 R)
• M5: 3,142,602 km (0.093 R)
• M6: 3,847,059 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.4

Radius: 11.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 8.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,079,891 km

• M1: 147,204 km (0.09 R)
• M2: 548,575 km (0.095 R)
• M3: 926,460 km (0.109 R)
• M4: 1,392,307 km (0.072 R)
• M5: 1,805,796 km (0.078 R)
• M6: 2,448,319 km (0.114 R)
• M7: 2,870,035 km (0.118 R)
• M8: 3,238,345 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 13.7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 14.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,079,891 km

• M1: 170,392 km (0.073 R)
• M2: 597,943 km (0.099 R)
• M3: 1,034,020 km (0.049 R)
• M4: 1,533,378 km (0.04 R)
• M5: 2,391,172 km (0.059 R)
• M6: 2,819,471 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.79 AU - 0.87 AU

Year: 504 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,079,891 km

• M1: 117,135 km (0.114 R)
• M2: 445,054 km (0.096 R)
• M3: 767,287 km (0.077 R)
• M4: 1,235,379 km (0.061 R)
• M5: 1,674,449 km (0.041 R)
• M6: 1,969,456 km (0.101 R)
• M7: 2,282,415 km (0.053 R)
• M8: 2,899,207 km (0.115 R)
• M9: 3,384,203 km (0.108 R)
• M10: 4,251,571 km (0.113 R)
• M11: 4,864,624 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.5

Radius: 10

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.29 AU - 2.85 AU

Year: 2747 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 95.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,079,891 km

• M1: 124,615 km (0.065 R)
• M2: 476,918 km (0.105 R)
• M3: 801,845 km (0.092 R)
• M4: 1,158,486 km (0.084 R)
• M5: 1,485,357 km (0.099 R)
• M6: 2,360,654 km (0.089 R)
• M7: 2,978,643 km (0.051 R)
• M8: 4,514,265 km (0.117 R)
• M9: 5,192,692 km (0.1 R)
• M10: 5,621,140 km (0.071 R)
• M11: 6,100,452 km (0.104 R)
• M12: 6,989,811 km (0.098 R)
• M13: 7,418,708 km (0.029 R)
• M14: 10,490,551 km (0.083 R)
• M15: 11,594,433 km (0.039 R)
• M16: 13,046,729 km (0.102 R)
• M17: 15,421,745 km (0.09 R)
• M18: 17,065,078 km (0.103 R)
• M19: 17,619,188 km (0.098 R)
• M20: 21,010,123 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 8.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.35 AU - 3.41 AU

Year: 3259 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,079,891 km

• M1: 106,065 km (0.05 R)
• M2: 565,480 km (0.085 R)
• M3: 921,523 km (0.084 R)
• M4: 1,361,789 km (0.056 R)
• M5: 1,641,837 km (0.092 R)
• M6: 2,092,126 km (0.035 R)
• M7: 2,414,061 km (0.115 R)
• M8: 3,142,303 km (0.028 R)
• M9: 3,602,167 km (0.075 R)
• M10: 4,406,106 km (0.088 R)
• M11: 5,418,584 km (0.085 R)
• M12: 5,904,329 km (0.072 R)
• M13: 7,188,626 km (0.051 R)
• M14: 9,178,278 km (0.064 R)
• M15: 10,046,694 km (0.045 R)
• M16: 13,541,749 km (0.107 R)
• M17: 15,899,710 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.7

Radius: 11.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.71 AU - 6.65 AU

Year: 9027 Days

Day: 9.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,079,891 km

• M1: 142,118 km (0.089 R)
• M2: 1,607,579 km (0.034 R)
• M3: 2,049,940 km (0.045 R)
• M4: 2,573,383 km (0.037 R)
• M5: 3,322,120 km (0.106 R)
• M6: 3,957,911 km (0.057 R)
• M7: 4,401,469 km (0.082 R)
• M8: 4,852,057 km (0.092 R)
• M9: 5,905,526 km (0.12 R)
• M10: 6,299,118 km (0.069 R)
• M11: 7,692,173 km (0.081 R)
• M12: 8,386,008 km (0.088 R)
• M13: 11,963,491 km (0.077 R)
• M14: 16,214,315 km (0.114 R)
• M15: 17,232,328 km (0.104 R)
• M16: 17,725,852 km (0.108 R)
• M17: 22,165,019 km (0.081 R)
• M18: 23,568,845 km (0.068 R)
• M19: 24,024,221 km (0.085 R)
• M20: 25,188,392 km (0.041 R)
• M21: 25,584,677 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,167 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit